| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 1 | /* |
| 2 | * ebus.h: PCI to Ebus pseudo driver software state. |
| 3 | * |
| 4 | * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) |
| 5 | * |
| 6 | * Adopted for sparc by V. Roganov and G. Raiko. |
| 7 | */ |
| 8 | |
| 9 | #ifndef __SPARC_EBUS_H |
| 10 | #define __SPARC_EBUS_H |
| 11 | |
| 12 | #ifndef _LINUX_IOPORT_H |
| 13 | #include <linux/ioport.h> |
| 14 | #endif |
| 15 | #include <asm/oplib.h> |
| 16 | #include <asm/prom.h> |
| 17 | #include <asm/of_device.h> |
| 18 | |
| 19 | struct linux_ebus_child { |
| 20 | struct linux_ebus_child *next; |
| 21 | struct linux_ebus_device *parent; |
| 22 | struct linux_ebus *bus; |
| 23 | struct device_node *prom_node; |
| 24 | struct resource resource[PROMREG_MAX]; |
| 25 | int num_addrs; |
| 26 | unsigned int irqs[PROMINTR_MAX]; |
| 27 | int num_irqs; |
| 28 | }; |
| 29 | |
| 30 | struct linux_ebus_device { |
| 31 | struct of_device ofdev; |
| 32 | struct linux_ebus_device *next; |
| 33 | struct linux_ebus_child *children; |
| 34 | struct linux_ebus *bus; |
| 35 | struct device_node *prom_node; |
| 36 | struct resource resource[PROMREG_MAX]; |
| 37 | int num_addrs; |
| 38 | unsigned int irqs[PROMINTR_MAX]; |
| 39 | int num_irqs; |
| 40 | }; |
| 41 | #define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) |
| 42 | |
| 43 | struct linux_ebus { |
| 44 | struct of_device ofdev; |
| 45 | struct linux_ebus *next; |
| 46 | struct linux_ebus_device *devices; |
| 47 | struct linux_pbm_info *parent; |
| 48 | struct pci_dev *self; |
| 49 | struct device_node *prom_node; |
| 50 | }; |
| 51 | #define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) |
| 52 | |
| 53 | struct linux_ebus_dma { |
| 54 | unsigned int dcsr; |
| 55 | unsigned int dacr; |
| 56 | unsigned int dbcr; |
| 57 | }; |
| 58 | |
| 59 | #define EBUS_DCSR_INT_PEND 0x00000001 |
| 60 | #define EBUS_DCSR_ERR_PEND 0x00000002 |
| 61 | #define EBUS_DCSR_DRAIN 0x00000004 |
| 62 | #define EBUS_DCSR_INT_EN 0x00000010 |
| 63 | #define EBUS_DCSR_RESET 0x00000080 |
| 64 | #define EBUS_DCSR_WRITE 0x00000100 |
| 65 | #define EBUS_DCSR_EN_DMA 0x00000200 |
| 66 | #define EBUS_DCSR_CYC_PEND 0x00000400 |
| 67 | #define EBUS_DCSR_DIAG_RD_DONE 0x00000800 |
| 68 | #define EBUS_DCSR_DIAG_WR_DONE 0x00001000 |
| 69 | #define EBUS_DCSR_EN_CNT 0x00002000 |
| 70 | #define EBUS_DCSR_TC 0x00004000 |
| 71 | #define EBUS_DCSR_DIS_CSR_DRN 0x00010000 |
| 72 | #define EBUS_DCSR_BURST_SZ_MASK 0x000c0000 |
| 73 | #define EBUS_DCSR_BURST_SZ_1 0x00080000 |
| 74 | #define EBUS_DCSR_BURST_SZ_4 0x00000000 |
| 75 | #define EBUS_DCSR_BURST_SZ_8 0x00040000 |
| 76 | #define EBUS_DCSR_BURST_SZ_16 0x000c0000 |
| 77 | #define EBUS_DCSR_DIAG_EN 0x00100000 |
| 78 | #define EBUS_DCSR_DIS_ERR_PEND 0x00400000 |
| 79 | #define EBUS_DCSR_TCI_DIS 0x00800000 |
| 80 | #define EBUS_DCSR_EN_NEXT 0x01000000 |
| 81 | #define EBUS_DCSR_DMA_ON 0x02000000 |
| 82 | #define EBUS_DCSR_A_LOADED 0x04000000 |
| 83 | #define EBUS_DCSR_NA_LOADED 0x08000000 |
| 84 | #define EBUS_DCSR_DEV_ID_MASK 0xf0000000 |
| 85 | |
| 86 | extern struct linux_ebus *ebus_chain; |
| 87 | |
| 88 | extern void ebus_init(void); |
| 89 | |
| 90 | #define for_each_ebus(bus) \ |
| 91 | for((bus) = ebus_chain; (bus); (bus) = (bus)->next) |
| 92 | |
| 93 | #define for_each_ebusdev(dev, bus) \ |
| 94 | for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) |
| 95 | |
| 96 | #define for_each_edevchild(dev, child) \ |
| 97 | for((child) = (dev)->children; (child); (child) = (child)->next) |
| 98 | |
| 99 | #endif /* !(__SPARC_EBUS_H) */ |